package com.heima.behavior.service.impl;
import java.util.Date;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;

    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
    // 1. 校验参数
        //   点赞需要登录
        ApUser user = AppThreadLocalUtils.getUser();
        if (user==null){
            CustException.cust(AppHttpCodeEnum.NO_OPERATOR_AUTH);
        }
        //   校验文章id不能为空     使用注解校验
        //    校验点赞方式 只能是0 或 1   使用注解校验
    // 2. 根据当前登录用户id查询行为实体对象
        Integer id = user.getId();
        ApBehaviorEntry entry = apBehaviorEntryService.findByUserIdOrEquipmentId(id, 8888);
        // 3. 如果是点赞操作  判断是否已经点过赞
        if (0==dto.getOperation()) {
            //查询mongodb中的点赞数据
            Query query = Query.query(Criteria.where("entryId").is(entry.getId()).and("articleId").is(dto.getArticleId()));
            ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);

            if (likesBehavior==null) {
                // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
                ApLikesBehavior apLikesBehavior = new ApLikesBehavior();
                apLikesBehavior.setEntryId(entry.getId());
                apLikesBehavior.setArticleId(dto.getArticleId());
                apLikesBehavior.setCreatedTime(new Date());
                mongoTemplate.save(apLikesBehavior);
            }
        }else {
            // 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
            Query query = Query.query(Criteria.where("entryId").is(entry.getId()).and("articleId").is(dto.getArticleId()));
            mongoTemplate.remove(query,ApLikesBehavior.class );
        }
        return ResponseResult.okResult();
    }
}
